<template>
    <div>
        <!-- 面包屑导航区域 -->
        <el-breadcrumb separator="/">
          <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
          <el-breadcrumb-item>商品管理</el-breadcrumb-item>
          <el-breadcrumb-item>商品列表</el-breadcrumb-item> 
        </el-breadcrumb>

        <!-- 卡片视图区域 -->
        <el-card>
           <el-row>
            <el-col :span="6">
                <el-input placeholder="请输入内容" v-model="queryInfo.query" clearable @clear="getGoodsList"> 
                  <el-button slot="append" icon="el-icon-search" @click="getGoodsList"></el-button>
                </el-input> 
            </el-col>
            <el-col :span="4">
                <el-button type="primary" @click="goAddpage">添加商品</el-button>
            </el-col>

           </el-row>

            <!-- table表格区域 -->
          <el-table :data="goodslist" border stripe>
            <el-table-column type="index"></el-table-column>
            <el-table-column label="商品名称" prop="goods_name"></el-table-column>
            <el-table-column label="商品价格(元)" width="95px" prop="goods_price"></el-table-column>
            <el-table-column label="商品重量" width="70px" prop="goods_weight"></el-table-column>
            <el-table-column label="创建时间" width="140px">
                <template slot-scope="scope">
                  {{scope.row.add_time | dateFormat}}
                </template>
            
            </el-table-column>
            <el-table-column label="操作" width="130px">
              <template slot-scope="scope">
                <el-button type="primary" size="mini" icon="el-icon-edit"></el-button>
                <el-button type="danger" size="mini" icon="el-icon-delete" @click="removeById(scope.row.goods_id)"></el-button>
              </template>
            </el-table-column>
          </el-table>



          <!-- 分页区域 -->
             <el-pagination
                @size-change="handleSizeChange"
                @current-change="handleCurrentChange"
                :current-page="queryInfo.pagenum"
                :page-sizes="[5, 10, 15, 20]"
                :page-size="queryInfo.pagesize"
                layout="total, sizes, prev, pager, next, jumper"
                :total="total" background>
              </el-pagination> 

        </el-card>

         

    </div>
</template>

<script>
export default {
  data(){
    return {
      // 查询参数对象
        queryInfo:{
          query:'',
          pagenum:1,
          pagesize:10
        },
        // 商品列表
        goodslist:[],
        // 总数据条数
        total:0
    }
  },
  created(){
    this.getGoodsList()
  },
  methods:{
    // 根据 分页获取对应的商品列表
    async getGoodsList(){
      const {data:res} = await this.$http.get('goods',{params:this.queryInfo})
   
      if(res.meta.status !== 200){
        return this.$message.error('获取商品列表失败')
      } 
      this.$message.success('获取商品列表成功')    
      this.goodslist = res.data.goods

      console.log(this.goodslist)
      this.total = res.data.total
  },
  handleSizeChange(newSize){
    this.queryInfo.pagesize = newSize 
    this.getGoodsList()
  },
  handleCurrentChange(newPage){
    this.queryInfo.pagenum = newPage 
    this.getGoodsList()
  },

  async removeById(id){
    // 简写
      const confirmResult = await this.$confirm('此操作将永久删除该商品, 是否继续?', '提示', {
          confirmButtonText: '确定',
          cancelButtonText: '取消',
          type: 'warning'
        }).catch(err => err);
        // console.log(result) 
        // 判断用户是否选择删除
        if(confirmResult !== 'confirm'){
            return this.$message.info('已取消删除');
        }
     
        // 发送删除请求
        const {data: res }= await this.$http.delete('goods/' + id)

        if(res.meta.status !== 200){
          return this.$message.error('删除商品失败')
        }

        this.$message.success('删除商品成功')
        this.getGoodsList()
  },
  goAddpage(){
    this.$router.push('/goods/add')
  }

}

}
</script>

<style scoped>

</style> 